Oracle
[女一個_阿爾_[F一種噸一種大號[FATAL][數據庫__−06103[D乙噸−06103[DBT-06103] 埠 (5,500) 已被使用
我正在嘗試在 CentOS 7 上安裝 oracle 18c XE。我已經打開了埠：
firewall-cmd --permanent --add-port=1521/tcp firewall-cmd --permanent --add-port=1630/tcp firewall-cmd --permanent --add-port=3938/tcp firewall-cmd --permanent --add-port=1830/tcp firewall-cmd --permanent --add-port=1849/tcp firewall-cmd --permanent --add-port=1158/tcp firewall-cmd --permanent --add-port=5500/tcp firewall-cmd --permanent --add-port=5519/tcp firewall-cmd --permanent --add-port=5520/tcp firewall-cmd --permanent --add-port=5539/tcp firewall-cmd --permanent --add-port=5540/tcp firewall-cmd --permanent --add-port=5559/tcp firewall-cmd --permanent --add-port=5560/tcp firewall-cmd --permanent --add-port=5579/tcp firewall-cmd --permanent --add-port=5580/tcp firewall-cmd --permanent --add-port=5599/tcp firewall-cmd --permanent --add-port=5600/tcp firewall-cmd --permanent --add-port=5620/tcp firewall-cmd --permanent --add-port=5640/tcp firewall-cmd --permanent --add-port=5659/tcp firewall-cmd --permanent --add-port=5660/tcp firewall-cmd --permanent --add-port=5679/tcp firewall-cmd --reload嘗試時
/etc/init.d/oracle-xe-18c configure顯示以下錯誤：Specify a password to be used for database accounts. Oracle recommends that the password entered should be at least 8 characters in length, contain at least 1 uppercase character, 1 lower case character and 1 digit [0-9]. Note that the same password will be used for SYS, SYSTEM and PDBADMIN accounts: Confirm the password: Passwords do not match. Enter the password: Confirm the password: Configuring Oracle Listener. Listener configuration succeeded. Configuring Oracle Database XE. [FATAL] [DBT-06103] The port (5,500) is already in use. ACTION: Specify a free port. Database configuration failed. Check logs under '/opt/oracle/cfgtoollogs/dbca'.我搜尋並發現它是由於主機名配置：
[root@linux ~]# cat /etc/hostname linux.mydomain.com [root@linux ~]# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain 163.173.24.179 linux.mydomain.com [root@linux ~]# hostname linux.mydomain.com [root@linux ~]# hostname -f linux.mydomain.com更新-1
[root@linux oracle]# grep -w 5500 /etc/services fcp-addr-srvr1 5500/tcp # fcp-addr-srvr1 fcp-addr-srvr1 5500/udp # fcp-addr-srvr1更新2：
[root@linux oracle]# sudo nmap -sT -O localhost Starting Nmap 6.40 ( http://nmap.org ) at 2020-06-03 20:57 CEST Nmap scan report for localhost (127.0.0.1) Host is up (0.0014s latency). Not shown: 986 closed ports PORT STATE SERVICE 21/tcp open ftp 25/tcp open smtp 53/tcp open domain 106/tcp open pop3pw 110/tcp open pop3 111/tcp open rpcbind 143/tcp open imap 465/tcp open smtps 993/tcp open imaps 995/tcp open pop3s 1521/tcp open oracle 3306/tcp open mysql 8009/tcp open ajp13 8443/tcp open https-alt Device type: general purpose Running: Linux 3.X OS CPE: cpe:/o:linux:linux_kernel:3 OS details: Linux 3.7 - 3.9 Network Distance: 0 hops OS detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 3.38 seconds [root@linux oracle]# sudo nmap -sU -O 163.172.24.189 Starting Nmap 6.40 ( http://nmap.org ) at 2020-06-03 20:58 CEST Nmap scan report for linux.mydomain.com (163.172.24.189) Host is up (0.000048s latency). Not shown: 997 closed ports PORT STATE SERVICE 53/udp open domain 111/udp open rpcbind 776/udp open|filtered wpages Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Device type: webcam|general purpose|phone|storage-misc Running: AXIS Linux 2.6.X, Linux 2.6.X, ZyXEL embedded OS CPE: cpe:/h:axis:210a_network_camera cpe:/h:axis:211_network_camera cpe:/o:axis:linux_kernel:2.6 cpe:/o:linux:linux_kernel:2.6 cpe:/o:google:android:2.2 cpe:/h:zyxel:nsa-210 OS details: AXIS 210A or 211 Network Camera (Linux 2.6), Linux 2.6.14 - 2.6.34, Linux 2.6.17, Linux 2.6.17 (Mandriva), Android 2.2 (Linux 2.6), ZyXEL NSA-210 NAS device Network Distance: 0 hops OS detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 7.01 seconds [root@linux oracle]# sudo nmap -sT -O 163.172.24.189 Starting Nmap 6.40 ( http://nmap.org ) at 2020-06-03 21:04 CEST Nmap scan report for linux.mydomain.com (163.172.24.189) Host is up (0.0014s latency). Not shown: 986 closed ports PORT STATE SERVICE 21/tcp open ftp 25/tcp open smtp 53/tcp open domain 80/tcp open http 106/tcp open pop3pw 110/tcp open pop3 111/tcp open rpcbind 143/tcp open imap 443/tcp open https 465/tcp open smtps 993/tcp open imaps 995/tcp open pop3s 1521/tcp open oracle 8443/tcp open https-alt Device type: general purpose Running: Linux 3.X OS CPE: cpe:/o:linux:linux_kernel:3 OS details: Linux 3.7 - 3.9 Network Distance: 0 hops OS detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 3.38 seconds請告知我在哪裡犯錯？
最好的祝福
缺少主機的簡稱
/etc/hosts，只有 FQDN 存在。它應該是：
163.173.24.179 linux.mydomain.com linux
linux(hostname -s) 因此無法訪問。